General • 100Gbit Networkspeed maximum 25Gbit

Hi,

I am using the following transceiver:
SPTSBP2CLCKV INTEL 100G-CWDM4 1271-1331NM OPTISCHES TRANSCEIVER-MODUL

and

SPTSBP2CLCKS INTEL 100G-CWDM4 1271-1331NM OPTISCHES TRANSCEIVER-MODUL

Both are connected to the Mikrotik crs504-4xq-in with beta RouterOS 7.14rc1

The other side is connected to a Mellanox MCX455A ECAT PCIExpeess Card 100Gbit and a Mellanox MCX555N Card.

Both OS is Debian 11. The maximum speed with iperf is 27Gbit per second. I am curious why there is a limit at 27Gbit/sec.

The link between the pc and the mikrotik switch is 100GB.

Are there more settings i have to male to achieve the full bandwidth at 100Gbit?

Statistics: Posted by Monsterobs — Mon Feb 19, 2024 12:17 am

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